@phdthesis{PhD-Thesis_1997_Wagner,
  address = {State College, PA, USA},
  author = {John Charles Wagner},
  month = {December},
  school = {Pennsylvania State University},
  title = {{Acceleration of Monte Carlo Shielding Calculations with an Automated Variance Reduction Technique and Parallel Processing}},
  url = {https://catalog.libraries.psu.edu/catalog/1672971},
  year = {1997}
}